regenerate files

tools/dockerfile/interoptest/grpc_interop_aspnetcore/build_interop.sh

@@ -37,4 +37,6 @@ then
   ln -s $(pwd)/.dotnet/dotnet /usr/local/bin/dotnet
 fi
 
-dotnet build --configuration Debug Grpc.DotNet.sln
+# Cloning from a local path sets RepositoryUrl to a path and breaks Source Link.
+# Override RepositoryUrl to a URL to fix Source Link. The value doesn't matter.
+dotnet build --configuration Debug Grpc.DotNet.sln -p:RepositoryUrl=https://github.com/grpc/grpc-dotnet.git